Mark B. Jennings

Mark B. Jennings

Tulsa, Oklahoma

Mark B. Jennings joined the firm in January 2005, having practiced previously in both Enid, Oklahoma and Tulsa. Mark's practice focuses on civil and commercial litigation, as well as environmental law. Mark earned an undergraduate degree in electrical engineering from Oklahoma State University, and subsequently his J.D from the University of Arkansas in Fayetteville. Admitted to practice in Oklahoma courts in 1983, Mark also is admitted to practice before the Tenth Circuit Court of Appeals, the United States District Courts for the Northern, Eastern and Western Districts of Oklahoma, as well as the Eastern and Western Districts of Arkansas. He is a member in the American, Oklahoma, and Tulsa County Bar Associations, and the Oklahoma Trial Lawyers Association.

Areas of Practice

  • Civil Litigation
  • Commercial Litigation
  • Environmental

Bar Admissions

  • Oklahoma, 1983
  • U.S. District Court Western District of Arkansas, 1992
  • U.S. District Court Western District of Oklahoma, 1985
  • U.S. District Court Northern District of Oklahoma, 1985
  • U.S. Federal Courts, 1985
  • U.S. Court of Appeals 10th Circuit


  • University of Arkansas, Fayetteville, Leflar Law Center, Fayetteville, Arkansas
    • J.D., Doctor of Jurisprudence - 1983
  • Oklahoma State University, Stillwater
    • B.S., Bachelor of Science - 1978


  • Bank of Oklahoma, Tulsa, N.A.

Professional Associations and Memberships

  • American Bar Association, Member
  • Oklahoma Bar Association, Member
  • Oklahoma Trial Lawyers Association, Member
  • Tulsa County Bar Association, Member


  • Eta Kappa Nu